/* ============================================================
   Prelander Studio — Global Stylesheet
   Dark theme, purple accent, mobile-first responsive
   ============================================================ */

/* ── Reset & Base ─────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:          #0f0f1a;
  --bg-card:     #1a1a2e;
  --bg-card-hov: #1f1f38;
  --bg-input:    #12122a;
  --border:      #2a2a4a;
  --border-hov:  #4a4a7a;
  --accent:      #7c3aed;
  --accent-hov:  #6d28d9;
  --accent-soft: rgba(124,58,237,.15);
  --success:     #28a745;
  --danger:      #dc3545;
  --warning:     #ffc107;
  --text:        #e8e8f0;
  --text-muted:  #888aaa;
  --text-dim:    #555775;
  --radius:      10px;
  --radius-sm:   6px;
  --shadow:      0 4px 24px rgba(0,0,0,.4);
  --transition:  .18s ease;
}

html { font-size: 16px; }

body {
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
  min-height: 100vh;
  line-height: 1.55;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

img { max-width: 100%; display: block; }

/* ── Scrollbar ────────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: var(--bg); }
::-webkit-scrollbar-thumb { background: var(--border-hov); border-radius: 3px; }

/* ── Typography ───────────────────────────────────────────── */
h1, h2, h3, h4 { line-height: 1.25; font-weight: 700; }
h1 { font-size: 1.75rem; }
h2 { font-size: 1.35rem; }
h3 { font-size: 1.1rem; }
small { font-size: .8rem; }

/* ── Utilities ────────────────────────────────────────────── */
.hidden { display: none !important; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }
.text-muted { color: var(--text-muted); }
.text-danger { color: var(--danger); }
.text-success { color: var(--success); }
.mt-1 { margin-top: .5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.flex { display: flex; }
.items-center { align-items: center; }
.gap-1 { gap: .5rem; }
.gap-2 { gap: 1rem; }
.w-full { width: 100%; }

/* ── Buttons ──────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .4rem;
  padding: .5rem 1rem;
  border: none;
  border-radius: var(--radius-sm);
  font-size: .88rem;
  font-weight: 600;
  cursor: pointer;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
  white-space: nowrap;
  text-decoration: none;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn:disabled { opacity: .45; cursor: not-allowed; transform: none; }

.btn-primary {
  background: var(--accent);
  color: #fff;
}
.btn-primary:hover { background: var(--accent-hov); box-shadow: 0 4px 14px rgba(124,58,237,.4); }

.btn-secondary {
  background: var(--bg-card);
  color: var(--text);
  border: 1px solid var(--border);
}
.btn-secondary:hover { background: var(--bg-card-hov); border-color: var(--border-hov); }

.btn-success {
  background: var(--success);
  color: #fff;
}
.btn-success:hover { background: #218838; }

.btn-danger {
  background: var(--danger);
  color: #fff;
}
.btn-danger:hover { background: #c82333; }

.btn-ghost {
  background: transparent;
  color: var(--text-muted);
  border: 1px solid var(--border);
}
.btn-ghost:hover { color: var(--text); border-color: var(--border-hov); background: var(--bg-card); }

.btn-lg { padding: .75rem 1.5rem; font-size: 1rem; border-radius: var(--radius); }
.btn-sm { padding: .3rem .7rem; font-size: .78rem; }
.btn-icon { padding: .45rem; border-radius: 50%; }

/* ── Form Controls ────────────────────────────────────────── */
.form-group { display: flex; flex-direction: column; gap: .35rem; }
.form-label { font-size: .85rem; font-weight: 600; color: var(--text-muted); text-transform: uppercase; letter-spacing: .05em; }

.form-control {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: .9rem;
  padding: .55rem .8rem;
  transition: border-color var(--transition), box-shadow var(--transition);
  width: 100%;
  font-family: inherit;
}
.form-control:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.form-control::placeholder { color: var(--text-dim); }
.form-control option { background: var(--bg-card); color: var(--text); }

select.form-control { cursor: pointer; }
textarea.form-control { resize: vertical; min-height: 80px; }

.input-group { position: relative; }
.input-group .form-control { padding-left: 2.2rem; }
.input-group .input-icon {
  position: absolute; left: .7rem; top: 50%; transform: translateY(-50%);
  color: var(--text-muted); pointer-events: none; font-size: .9rem;
}

.color-picker-wrapper { display: flex; align-items: center; gap: .6rem; }
.color-picker-wrapper input[type="color"] {
  width: 40px; height: 36px; padding: 2px; border-radius: var(--radius-sm);
  border: 1px solid var(--border); background: var(--bg-input); cursor: pointer;
}
.color-text { flex: 1; }

/* ── Alert / Notification ─────────────────────────────────── */
.alert {
  padding: .75rem 1rem;
  border-radius: var(--radius-sm);
  font-size: .875rem;
  display: flex;
  align-items: center;
  gap: .5rem;
  border: 1px solid transparent;
}
.alert-danger  { background: rgba(220,53,69,.15);  color: #ff6b7a; border-color: rgba(220,53,69,.3);  }
.alert-success { background: rgba(40,167,69,.15);  color: #5fdb7b; border-color: rgba(40,167,69,.3);  }
.alert-info    { background: rgba(124,58,237,.15); color: #b08cff; border-color: rgba(124,58,237,.3); }

/* ── Card ─────────────────────────────────────────────────── */
.card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition), transform var(--transition);
}
.card:hover {
  border-color: var(--border-hov);
  box-shadow: var(--shadow);
  transform: translateY(-2px);
}
.card-body { padding: 1rem; }

/* ── Header ───────────────────────────────────────────────── */
.app-header {
  background: rgba(15,15,26,.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}
.header-inner {
  max-width: 1400px;
  margin: 0 auto;
  padding: .75rem 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.logo {
  display: flex;
  align-items: center;
  gap: .6rem;
  text-decoration: none;
}
.logo-icon {
  width: 36px; height: 36px;
  background: linear-gradient(135deg, var(--accent), #a855f7);
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; font-weight: 900; color: #fff;
}
.logo-text { font-size: 1.1rem; font-weight: 700; color: var(--text); line-height: 1.1; }
.logo-text span { display: block; font-size: .65rem; font-weight: 400; color: var(--text-muted); text-transform: uppercase; letter-spacing: .1em; }
.header-actions { display: flex; gap: .6rem; align-items: center; }

/* ── Main Layout ──────────────────────────────────────────── */
.main-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 1.5rem;
}

/* ── Filter Bar ───────────────────────────────────────────── */
.filter-bar {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
  align-items: center;
  margin-bottom: 1.5rem;
}
.filter-bar .input-group { flex: 1; min-width: 180px; }
.filter-bar select.form-control { min-width: 130px; }

/* ── Grid ─────────────────────────────────────────────────── */
.lander-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 1.25rem;
}

/* ── Lander Card ──────────────────────────────────────────── */
.lander-card { position: relative; }
.lander-card-header {
  padding: 1rem 1rem .75rem;
  position: relative;
  overflow: hidden;
}
.lander-card-header::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(0,0,0,.25), transparent);
  pointer-events: none;
}
.lander-brand { font-size: 1rem; font-weight: 700; color: #fff; text-shadow: 0 1px 4px rgba(0,0,0,.5); }
.lander-template {
  display: flex; align-items: center; gap: .3rem;
  font-size: .75rem; color: rgba(255,255,255,.75); margin-top: .2rem;
}
.lander-card-body { padding: .9rem 1rem; }
.lander-bonus { font-size: .9rem; color: var(--text); margin-bottom: .6rem; line-height: 1.4; }

.badge-row { display: flex; flex-wrap: wrap; gap: .4rem; margin-bottom: .8rem; }
.badge {
  padding: .2rem .6rem;
  border-radius: 20px;
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .03em;
}
.badge-geo  { background: rgba(124,58,237,.25); color: #c4b5fd; border: 1px solid rgba(124,58,237,.4); }
.badge-lang { background: rgba(40,167,69,.2);   color: #6ee7a0; border: 1px solid rgba(40,167,69,.35); }
.badge-ai   { background: linear-gradient(90deg, #7c3aed, #a855f7); color: #fff; font-size: .68rem; }
.badge-date { background: transparent; color: var(--text-muted); font-size: .7rem; padding: 0; }

.lander-card-footer {
  padding: .6rem 1rem .9rem;
  display: flex; gap: .5rem;
  border-top: 1px solid var(--border);
}
.lander-card-footer .btn { flex: 1; justify-content: center; }

/* Delete overlay button */
.lander-card .delete-btn {
  position: absolute; top: .5rem; right: .5rem;
  background: rgba(220,53,69,.8); color: #fff;
  border: none; border-radius: 50%;
  width: 26px; height: 26px;
  font-size: .8rem;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 10;
  transition: background var(--transition);
}
.lander-card:hover .delete-btn { display: flex; }
.lander-card .delete-btn:hover { background: var(--danger); }

/* ── Skeleton Loader ──────────────────────────────────────── */
@keyframes shimmer {
  0%   { background-position: -600px 0; }
  100% { background-position:  600px 0; }
}
.skeleton {
  background: linear-gradient(90deg, var(--bg-card) 25%, var(--bg-card-hov) 50%, var(--bg-card) 75%);
  background-size: 600px 100%;
  animation: shimmer 1.4s infinite;
  border-radius: var(--radius-sm);
}
.skeleton-card { border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border); }
.skeleton-header { height: 80px; border-radius: 0; }
.skeleton-body { padding: .9rem 1rem; display: flex; flex-direction: column; gap: .5rem; }
.skeleton-line { height: 14px; }
.skeleton-line.short { width: 60%; }
.skeleton-line.xshort { width: 40%; }
.skeleton-footer { height: 48px; border-top: 1px solid var(--border); }

/* ── Empty State ──────────────────────────────────────────── */
.empty-state {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--text-muted);
}
.empty-icon {
  font-size: 4rem;
  margin-bottom: 1rem;
  opacity: .6;
}
.empty-state h3 { color: var(--text); margin-bottom: .5rem; }
.empty-state p { max-width: 360px; margin: 0 auto 1.5rem; font-size: .9rem; }

/* ── Tab System ───────────────────────────────────────────── */
.tabs { display: flex; gap: 0; border-bottom: 1px solid var(--border); margin-bottom: 1.5rem; }
.tab-btn {
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  padding: .75rem 1.25rem;
  color: var(--text-muted);
  cursor: pointer;
  font-size: .9rem;
  font-weight: 600;
  transition: color var(--transition), border-color var(--transition);
  display: flex; align-items: center; gap: .4rem;
}
.tab-btn:hover { color: var(--text); }
.tab-btn.active { color: var(--accent); border-bottom-color: var(--accent); }
.tab-pane { display: none; }
.tab-pane.active { display: block; }

/* ── Create Form ──────────────────────────────────────────── */
.create-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
@media (max-width: 640px) { .create-grid { grid-template-columns: 1fr; } }
.create-grid .full { grid-column: 1 / -1; }

.section-title {
  font-size: .7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--accent);
  margin: 1.25rem 0 .75rem;
  padding-bottom: .4rem;
  border-bottom: 1px solid var(--border);
}
.section-title:first-child { margin-top: 0; }

/* ── AI Progress ──────────────────────────────────────────── */
.ai-progress {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  text-align: center;
}
.ai-progress-title { font-size: 1.1rem; font-weight: 700; margin-bottom: 1.25rem; }
.ai-steps { list-style: none; display: flex; flex-direction: column; gap: .6rem; text-align: left; max-width: 340px; margin: 0 auto 1.25rem; }
.ai-step {
  display: flex; align-items: center; gap: .75rem;
  padding: .6rem .9rem;
  border-radius: var(--radius-sm);
  font-size: .88rem;
  transition: background var(--transition);
  color: var(--text-muted);
}
.ai-step.done    { background: rgba(40,167,69,.12);  color: var(--text); }
.ai-step.active  { background: var(--accent-soft);   color: #c4b5fd; }
.ai-step.pending { opacity: .45; }
.ai-step .step-icon { font-size: 1rem; min-width: 1.25rem; text-align: center; }

.progress-bar-track {
  height: 4px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
  margin-top: 1rem;
}
.progress-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--accent), #a855f7);
  border-radius: 2px;
  transition: width .5s ease;
}

/* ── Result Preview Card ──────────────────────────────────── */
.result-card {
  background: var(--bg-card);
  border: 1px solid var(--success);
  border-radius: var(--radius);
  padding: 1.25rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
}
.result-card-info { flex: 1; min-width: 200px; }
.result-card-info h3 { margin-bottom: .25rem; }
.result-card-actions { display: flex; gap: .6rem; flex-wrap: wrap; }

/* ── Upload/Drop Zone ─────────────────────────────────────── */
.drop-zone {
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  padding: 2.5rem;
  text-align: center;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition);
  color: var(--text-muted);
}
.drop-zone:hover, .drop-zone.drag-over {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--text);
}
.drop-zone input[type="file"] { display: none; }
.drop-icon { font-size: 2.5rem; margin-bottom: .75rem; }

/* ── Modal ────────────────────────────────────────────────── */
.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(0,0,0,.7);
  backdrop-filter: blur(4px);
  z-index: 999;
  display: flex; align-items: center; justify-content: center;
  padding: 1rem;
}
.modal {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.75rem;
  max-width: 420px;
  width: 100%;
  box-shadow: var(--shadow);
}
.modal h3 { margin-bottom: .75rem; }
.modal p { color: var(--text-muted); font-size: .9rem; margin-bottom: 1.25rem; }
.modal-actions { display: flex; gap: .6rem; justify-content: flex-end; }

/* ── Login Page ───────────────────────────────────────────── */
.login-page {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem 1rem;
  background: radial-gradient(ellipse at 30% 20%, rgba(124,58,237,.12) 0%, transparent 60%),
              radial-gradient(ellipse at 70% 80%, rgba(168,85,247,.08) 0%, transparent 60%),
              var(--bg);
}
.login-box {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 2.5rem 2rem;
  width: 100%;
  max-width: 380px;
  box-shadow: 0 20px 60px rgba(0,0,0,.5);
}
.login-logo { text-align: center; margin-bottom: 2rem; }
.login-logo .logo-icon { width: 52px; height: 52px; font-size: 1.4rem; margin: 0 auto .75rem; }
.login-logo h1 { font-size: 1.5rem; }
.login-logo p { color: var(--text-muted); font-size: .85rem; margin-top: .3rem; }
.login-form { display: flex; flex-direction: column; gap: 1rem; }

/* ── Create Page Layout ───────────────────────────────────── */
.page-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 1.5rem; flex-wrap: wrap; gap: .75rem;
}
.page-header h1 { font-size: 1.4rem; }

.create-layout {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 1.5rem;
  align-items: start;
}
@media (max-width: 900px) { .create-layout { grid-template-columns: 1fr; } }

.panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}

/* ── Coming Soon Badge ────────────────────────────────────── */
.coming-soon-badge {
  display: inline-flex; align-items: center; gap: .3rem;
  background: rgba(255,193,7,.15); color: var(--warning);
  border: 1px solid rgba(255,193,7,.3);
  border-radius: 20px; padding: .2rem .7rem;
  font-size: .75rem; font-weight: 600;
  margin-left: .5rem;
}

/* ── Toast ────────────────────────────────────────────────── */
.toast-container {
  position: fixed; bottom: 1.5rem; right: 1.5rem;
  z-index: 9999; display: flex; flex-direction: column; gap: .5rem;
}
.toast {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: .75rem 1rem;
  display: flex; align-items: center; gap: .6rem;
  box-shadow: var(--shadow);
  min-width: 250px; max-width: 380px;
  animation: slideIn .25s ease;
  font-size: .88rem;
}
.toast.success { border-left: 3px solid var(--success); }
.toast.error   { border-left: 3px solid var(--danger);  }
.toast.info    { border-left: 3px solid var(--accent);  }
@keyframes slideIn { from { opacity:0; transform: translateX(30px); } to { opacity:1; transform: translateX(0); } }

/* ── Stats bar ────────────────────────────────────────────── */
.stats-row {
  display: flex; gap: .75rem; flex-wrap: wrap;
  margin-bottom: 1.25rem;
}
.stat-pill {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: .3rem .9rem;
  font-size: .8rem;
  color: var(--text-muted);
  display: flex; align-items: center; gap: .4rem;
}
.stat-pill strong { color: var(--text); }

/* ── Responsive ───────────────────────────────────────────── */
@media (max-width: 768px) {
  .main-content { padding: 1rem; }
  .header-inner { padding: .6rem 1rem; }
  .lander-grid { grid-template-columns: 1fr; }
  .filter-bar { flex-direction: column; align-items: stretch; }
  .filter-bar .input-group, .filter-bar select.form-control { min-width: 0; width: 100%; }
  h1 { font-size: 1.4rem; }
}
@media (max-width: 480px) {
  .login-box { padding: 1.75rem 1.25rem; }
  .btn-lg { padding: .65rem 1.25rem; font-size: .95rem; }
}